Smriti Shriniwas Mandhana becomes World No. 1 ODI batswoman. In June 2018, the Board of Control for Cricket in India named her as the Best Women's International Cricketer.
Manish is four times as efficient as Puneet. Manish takes 90 days less than Puneet to complete a book. If both of them work together, then in how many days the book will be completed?